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treehopper

(Encyclopedia) treehopper, any member of three families of winged insects, remarkable for the curious shapes of most species. The shapes are due to the enlargement of the dorsal (upper) covering of…

rickets

(Encyclopedia) rickets or rachitisricketsrəkīˈtĭs [key], bone disease caused by a deficiency of vitamin D or calcium. Essential in regulating calcium and phosphorus absorption by the body, vitamin D…

cuckoo

(Encyclopedia) cuckoo, common name for members of the extensive avian family Cuculidae, including the ani and the roadrunner (Geococcyx californianus), widely distributed in temperate and tropical…

dysentery

(Encyclopedia) dysenterydysenterydĭsˈəntĕrˌē [key], inflammation of the intestine characterized by the frequent passage of feces, usually with blood and mucus. The two most common causes of dysentery…

sumac

(Encyclopedia) CE5 Poison sumac, Rhus vernix sumac or sumachsumacsh&oomacr;ˈmăk, s&oomacr;ˈ– [key], common name for some members of the Anacardiaceae, a family of trees and shrubs native…

mimosa, in botany

(Encyclopedia) mimosamimosamĭmōˈsə [key], any tree, shrub, or herb of the genus Mimosa of the family Leguminosae (pulse family), chiefly tropical plants. They usually have feathery foliage and…

ebony

(Encyclopedia) ebony, common name for members of the Ebenaceae, a family of trees and shrubs widely distributed in warmer climates and in the tropics. The principal genus, Diospyros, includes both…

cashew

(Encyclopedia) cashewcashewkăshˈ&oomacr;, kəsh&oomacr;ˈ [key], tropical American tree (Anacardium occidentale) of the family Anacardiaceae (sumac family), valued chiefly for the cashew nut of…

tree frog

(Encyclopedia) tree frog, name for any of the small tree- or shrub-inhabiting frogs of the family Hylidae, characterized by an adhesive disk on the tip of each of the clawlike toes. This family has…

air mass

(Encyclopedia) air mass, large body of air within the earth's atmosphere in which temperature and humidity, although varying at different heights, remain similar throughout the body at any one height…